This is the 256th most frequent Portuguese word.
preciso
"Preciso" in Portuguese means "precise" or "necessary" depending on the context.
Here, 'preciso' is used as a verb, meaning 'I need'.
Eu preciso de ajuda para resolver este problema.
I need help to solve this problem.
In this sentence, 'preciso' operates as an adjective, meaning 'precise' or 'accurate'.
Seu cálculo foi muito preciso.
Your calculation was very precise.
Here, 'preciso' is again used as an adjective, describing the quality of being exact or concise.